8. Patient who was unwilling to use an "effective" method of contraception during treatment period and for up to 3 months after cessation of therapy. For males, condoms should be used. Females must be surgically sterile (via hysterectomy or bilateral tubal ligation), post-menopausal or using at least a medically acceptable barrier method of contraception (i.e., IUD, barrier methods with supermicide or abstinence)